Home / 19,267.86-26,581.77-12,982.26

Finding the Fourth Proportional to 19,267.86, 26,581.77 and 12,982.26

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Solution

The fourth proportional to 19,267.86, 26,581.77 and 12,982.26 is: 17,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.86 : 26,581.77 = 12,982.26 : x
  2. Step 2: Convert to fraction form
    19,267.86/26,581.77 = 12,982.26/x
  3. Step 3: Cross multiply
    19,267.86x = 26,581.77 × 12,982.26
  4. Step 4: Simplify right side
    19,267.86x = 345,091,449.40
  5. Step 5: Solve for x
    x = 345,091,449.40/19,267.86
  6. Step 6: Final answer
    x = 17,910.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.